\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Extremism: positive appeals (Study II)}
\begin{tabular}{l*{8}{c}}
\hline\hline
                &\multicolumn{1}{c}{Pooled: positive}&\multicolumn{1}{c}{Unemployed}&\multicolumn{1}{c}{Car drivers}&\multicolumn{1}{c}{Muslims}&\multicolumn{1}{c}{Refugees}&\multicolumn{1}{c}{Artists}&\multicolumn{1}{c}{Homosexuals}&\multicolumn{1}{c}{East Germans}\\
\hline
Value-policy appeal&   0.0084         &   -0.067         &     0.39\sym{***}&   -0.086         &     0.12         &   -0.020         &    -0.17\sym{*}  &   -0.064         \\
                &   (0.03)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         \\
Group-policy appeal&    0.092\sym{**} &    -0.10         &     0.30\sym{***}&   0.0086         &     0.45\sym{***}&     0.10         &    -0.21\sym{**} &     0.11         \\
                &   (0.03)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         &   (0.08)         \\
\_cons          &     2.68\sym{***}&     2.87\sym{***}&     2.28\sym{***}&     2.87\sym{***}&     2.66\sym{***}&     2.13\sym{***}&     3.43\sym{***}&     2.77\sym{***}\\
                &   (0.04)         &   (0.09)         &   (0.09)         &   (0.09)         &   (0.09)         &   (0.09)         &   (0.09)         &   (0.09)         \\
\hline
Observations    &    22568         &     3224         &     3224         &     3224         &     3224         &     3224         &     3224         &     3224         \\
FEs respondents &      Yes         &                  &                  &                  &                  &                  &                  &                  \\
FEs groups      &      Yes         &                  &                  &                  &                  &                  &                  &                  \\
FEs parties     &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         \\
Respondents     &     3224         &                  &                  &                  &                  &                  &                  &                  \\
R\textsuperscript{2}&    0.041         &   0.0031         &   0.0098         &   0.0014         &    0.011         &   0.0040         &   0.0030         &   0.0015         \\
\hline\hline
\multicolumn{9}{l}{\footnotesize Note: Standard errors in parentheses.}\\
\multicolumn{9}{l}{\footnotesize \sym{*} \(p<0.5\), \sym{**} \(p<0.01\), \sym{***} \(p<0.001\)}\\
\end{tabular}
\end{table}
